Eaton CB1633B120480 Bolted Pressure Switch - UL Listed
Part Number: CB1633B120480
Quick Summary
Eaton CB1633B120480 bolted pressure switch protects high-demand power distribution across industrial equipment. Maintenance teams often contend with nuisance trips, ground-fault risks, and wiring challenges in confined switchgear spaces. UL Listed certification reinforces safety and compliance, while the enclosure ratings support installation in diverse environments such as NEMA 1, 3R, 4, and 12. Optional features like Ground Fault Relay, blown fuse detection, single phase protection, Kirk provisions, and auxiliary contact provisions provide flexible protection options. This combination delivers reliable protection, faster fault isolation, and streamlined commissioning for panel builders and OEMs seeking robust, serviceable protection in demanding industrial settings.
Product Information
Extended Description
CB1633B120480 Eaton: Eaton pringle bolted pressure contact switch,1600A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120480
UPC
782116898725
Product Length/Depth
16.5 in
Product Height
32 in
Product Width
24 in
Product Weight
200 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Catalog Notes
OPTIONAL Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, Auxiliary Contact Provisions, AVAILABLE.
Feed type
Bottom
Fuse configuration
Bottom feed
Ground
No ground fault
Number Of Poles
Three-pole
Number of wires
3
Switch type
Electrical trip with charge-before-close mechanism
Type
Pringle bolted pressure contact switch
Amperage Rating
1600A
Control voltage
120 V
NEMA rating
NEMA 1, NEMA 3R, NEMA 4, NEMA 12
Protection
Fusible
System voltage
480 V
Voltage - max
480 V
Voltage rating
480 V
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633B120480
Feature: High current capability with 1600A amperage rating and 480V system voltage. Business Impact: Enables use in large switchgear without oversized components, reducing panel footprint and wiring complexity. Application: Ideal for heavy-duty industrial distribution and manufacturing facilities where peak current demands are routine. The 120V control voltage ensures compatibility with common control circuits, minimizing integration costs. Application: OEMs and installers can leverage existing control infrastructure for faster deployment. Feature: Three-pole configuration with bottom feed and fusible protection. Business Impact: Improves fault containment and simplifies wiring within bottom-fed enclosures, cutting install time and error potential. Application: Suitable for equipment requiring reliable three-phase protection in rugged environments. Feature: NEMA ratings (1, 3R, 4, 12) and UL Listed. Business Impact: Delivers proven enclosure versatility and safety compliance across indoor and outdoor installations, reducing the need for custom enclosures. Application: Works well in factories, data centers, and outdoor switchgear rooms. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contacts, and Kirk Provisions. Business Impact: Increases protection granularity and monitoring capabilities, lowering downtime and maintenance costs. Application: panel builders can tailor protection schemes to meet regulatory and site-specific requirements. Feature: Compact footprint for a 1600A device with bottom feed design. Business Impact: Eases retrofit and new builds by simplifying space planning and wiring routes. Application: OEMs upgrading legacy systems or integrating high-capacity protection into compact switchgear. Feature: UL Listed and documented warranty. Business Impact: Provides regulatory confidence and post-sale support for long-term reliability. Application: Critical for QA, procurement, and service planning in mission-critical facilities.
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FAQs
CB1633B120480 is a three-pole bolted pressure switch designed for bottom-feed configurations in industrial switchgear. Plan for a 16.5 in depth, 32 in height, and 24 in width enclosure, considering the 200 lb weight. Ensure adequate clearance for wiring, provide proper control voltage connection at 120 V, and verify UL Listed compatibility with your panel’s enclosure rating.
Key ratings include 1600A amperage, 480V system voltage, and 120V control voltage. It features fusible protection and is rated for NEMA 1, 3R, 4, and 12 environments. The device supports three poles with three wires and uses an electrical trip with a charge-before-close mechanism to improve fault management.
Yes. The CB1633B120480 is specified as a bottom feed, bottom-fuse configuration switch. This simplifies wiring routes in bottom-fed enclosures and aids in compact panel layouts, reducing installation time and potential wiring errors in dense switchgear assemblies.
The device is UL Listed, ensuring safety and compliance for many North American applications. It is compatible with multiple NEMA enclosure environments (1, 3R, 4, 12), enabling flexibility in indoor and outdoor installations. Optional protections like ground fault relay and auxiliary provisions can further align the unit with site-specific electrical codes.
The bolted design and fusible protection reduce nuisance trips and enable rapid fault isolation, lowering downtime. The availability of optional protection features (ground fault relay, blown fuse detection) supports proactive maintenance and monitoring, leading to lower service costs and improved system reliability over the device’s lifecycle.